drm_gem_ttm_mmap(9)

💅 drm_gem_ttm_mmap(9) — the mmap bestie for your ttm_buffer_object

okay so welcome to the Kernel API Manual page for drm_gem_ttm_mmap, bestie 💖 this is a real one, it lives in section 9 of the manual, and it's literally just here to let you mmap a &ttm_buffer_object. that's the vibe. no cap.

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✨ NAME ✨

drm_gem_ttm_mmap — mmap &ttm_buffer_object 🫶

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🎀 SYNOPSIS 🎀

int drm_gem_ttm_mmap (struct drm_gem_object *gem , struct vm_area_struct *vma );

that's it, that's the whole signature. two args, one int coming back at you 💅

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🌸 ARGUMENTS 🌸

• gem — a GEM object. yes bestie, the struct drm_gem_object * one, right there in the synopsis.
• vma — the vm area. that's your struct vm_area_struct *. it's giving "the memory region we're mapping into" energy 🦋

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👑 DESCRIPTION 👑

ok so here's the whole tea: this function can be used as the drm_gem_object_funcs.mmap callback ✨ that's literally the entire description. it's a helper, it does the mmap thing, you plug it into that callback slot, and you're slaying 🔥

ngl, it's a short description — but every word of it is load-bearing, so don't skip it 😭

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/drm_gem_ttm_helper.c overview(9)
• drm_gem_ttm_print_info(9)
• drm_gem_ttm_vmap(9)
• drm_gem_ttm_vunmap(9)
• drm_gem_ttm_dumb_map_offset(9)

go read those too, iykyk 💜 the whole ttm helper family is lowkey iconic.

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and that's the page, bestie 🎀 fr fr. this one came from ./drivers/gpu/drm and it's dated October 2026 — so when you're out here mmapping your &ttm_buffer_object, just remember who told you: me, your fave manual page, drm_gem_ttm_mmap(9) 💅✨👑